Mmepe nke ihe mkpuchi ihe na nso nso a

Ihe mbụ eji eme mkpuchi ihe bụ ngwaahịa sitere n’okike dị ka owu, silk, mica, na rọba. Ná mmalite nke narị afọ nke 20, ndị mmepụta ihe sịntetik Plastic phenolic resin buru ụzọ pụta, nke nwere ezigbo ọkụ eletrik na oke okpomọkụ na-eguzogide. Mgbe e mesịrị, urea-formaldehyde resins na alkyd resins nwere arụmọrụ ka mma pụtara otu otu. Mpụta nke trichlorobiphenyl mmanụ mkpuchi sịntetik emewo mmụba na njirimara ndị a kapịrị ọnụ nke ike capacitors (mana akwụsịla ebe ọ bụ na ọ na-emerụ ahụ ike mmadụ). Sulfur hexafluoride na-arụkwa ọrụ n’otu oge ahụ.

Ebe ọ bụ na 1930s, sịntetik insulating ihe na-emepụta ngwa ngwa, tumadi gụnyere acetal resin, neoprene, polyvinyl chloride, styrene-butadiene roba, polyamide, melamine, polyethylene na polytetrafluoroethylene, nke a na-akpọ eze plastics na magburu onwe arụmọrụ. Chere. Mpụta nke ihe ndị a na-emepụta ihe na-ekere òkè dị ukwuu na mmepe nke teknụzụ eletrik. Dịka ọmụmaatụ, a na-eji waya acetal enameled na moto ahụ iji meziwanye ọnọdụ okpomọkụ na ntụkwasị obi ya, ebe ụda na ịdị arọ nke moto na-ebelata nke ukwuu. Ọganihu mmepe nke eriri iko na eriri eriri ya na njikọ nke resin silicone agbakwunyela ọkwa nguzogide okpomọkụ nke klas H na mkpuchi moto.

Mgbe afọ ndị 1940 gachara, polyester na-adịghị mma na resin epoxy pụtara. Ọdịdị nke akwụkwọ mpempe akwụkwọ mica na-eme ka ndị mmadụ wepụ ọnọdụ nke ụkọ mpempe akwụkwọ mica.

Kemgbe 1950s, a na-eji ihe ọhụrụ dabere na resins sịntetik, dị ka polyester na-enweghị isi na epoxy insulating adhesives maka impregnation nke eriri igwe voltaji dị elu. A na-eji ngwaahịa polyester eme ihe na mkpuchi mkpuchi oghere moto, waya enameled na varnish impregnating, yana E-klas na B-klas na-emepụta mkpuchi obere voltaji, nke na-ebelata olu na ịdị arọ nke moto ahụ. A malitere iji Sulfur hexafluoride mee ihe n’ime ngwa eletriki dị elu, ma mee ka ọ na-etolite n’ihu obere obere ikike. A na-eji sọlfọ hexafluoride dochie ihe mkpuchi ikuku nke ndị na-agbaji sekit na mmanụ na mkpuchi akwụkwọ nke ndị na-agbanwe agbanwe.

N’afọ ndị 1960, resins na-eguzogide okpomọkụ nwere heterocyclic na mgbanaka aromatic ka emepụtara nke ọma, dị ka polyimide, polyaramide, polyarylsulfone, polyphenylene sulfide na ihe ndị ọzọ dị na H-level na ọkwa dị elu na-eguzogide okpomọkụ. Ngwakọta nke ihe ndị a na-ekpo ọkụ na-ekpo ọkụ emeela ka ọnọdụ dị mma maka mmepe nke F-class na H-class motors n’ọdịnihu. A na-ejikwa ihe nkiri polypropylene mee ihe nke ọma na ike ike n’ime oge a.

Kemgbe 1970s, enwere nyocha ole na ole gbasara mmepe nke ihe ọhụrụ. N’ime oge a, a na-eme mgbanwe dị iche iche na ihe ndị dị adị ma gbasaa ngwa ngwa. A na-eji ụzọ ọhụrụ na-emezi mmanụ ndị na-emepụta ihe na-emepụta ihe iji belata mfu ha; epoxy mica mkpuchi emela ọtụtụ ndozi n’imeziwanye akụrụngwa ya na enweghị oghere ikuku iji melite akụrụngwa eletrik ya. Ike capacitors mgbanwe site na akwụkwọ-ihe nkiri mejupụtara Ọdịdị na ihe nkiri zuru ezu Ọdịdị. Igwe ọkụ UHV 1000 kV malitere ịmụ ka edochi akwụkwọ fiber eke ọdịnala na mkpuchi akwụkwọ sịntetik. Ihe mkpuchi na-enweghị mmetọ emebekwala ngwa ngwa kemgbe 1970s, dị ka iji ọkara isopropyl biphenyl na-adịghị egbu egbu na mmanụ ester dochie chlorinated biphenyl na-egbu egbu, yana mgbasawanye nke agba na-enweghị ihe mgbaze. Site na mgbasawanye nke ngwa ụlọ, nnukwu ihe mberede ọkụ na-emekarị n’ihi ọkụ nke ihe mkpuchi ha, n’ihi ya, nyocha nke ihe ndị na-egbochi ire ọkụ adọtawo uche.